Home / 13,198.76-19,773.28-10,262.80

Finding the Fourth Proportional to 13,198.76, 19,773.28 and 10,262.80

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Solution

The fourth proportional to 13,198.76, 19,773.28 and 10,262.80 is: 15,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198.76 : 19,773.28 = 10,262.80 : x
  2. Step 2: Convert to fraction form
    13,198.76/19,773.28 = 10,262.80/x
  3. Step 3: Cross multiply
    13,198.76x = 19,773.28 × 10,262.80
  4. Step 4: Simplify right side
    13,198.76x = 202,929,217.98
  5. Step 5: Solve for x
    x = 202,929,217.98/13,198.76
  6. Step 6: Final answer
    x = 15,374.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.